[PATCH v4 01/12] mfd: da9063: Fix failpath in core

[Marek Vasut]

In case mfd_add_devices() fails, da9063_irq_exit() is not called to
undo the IRQchip setup done by da9063_irq_init(). Fix this by adding
the missing fail path.

Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
Cc: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
---
V3: New patch
V4: No change
---
 drivers/mfd/da9063-core.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index 6c2870d4e754..8226ebd8b96d 100644
--- a/drivers/mfd/da9063-core.c
+++ b/drivers/mfd/da9063-core.c
@@ -229,10 +229,16 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 	ret = mfd_add_devices(da9063->dev, -1, da9063_devs,
 			      ARRAY_SIZE(da9063_devs), NULL, da9063->irq_base,
 			      NULL);
-	if (ret)
+	if (ret) {
 		dev_err(da9063->dev, "Cannot add MFD cells\n");
+		goto err_irq_exit;
+	}
 
 	return ret;
+
+err_irq_exit:
+	da9063_irq_exit(da9063);
+	return ret;
 }
 
 void da9063_device_exit(struct da9063 *da9063)
-- 
2.16.2